53516232 has 192 divisors, whose sum is σ = 185328000. Its totient is φ = 13829760.

The previous prime is 53516231. The next prime is 53516233. The reversal of 53516232 is 23261535.

53516232 is a `hidden beast` number, since 5 + 35 + 1 + 623 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (53516231) and next prime (53516233).

It is a junction number, because it is equal to n+sod(n) for n = 53516196 and 53516205.

It is not an unprimeable number, because it can be changed into a prime (53516231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271558 + ... + 271754.

It is an arithmetic number, because the mean of its divisors is an integer number (965250).

Almost surely, 2^53516232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53516232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92664000).

53516232 is an abundant number, since it is smaller than the sum of its proper divisors (131811768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53516232 is a wasteful number, since it uses less digits than its factorization.

53516232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 220 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 53516232 is about 7315.4789316900. The cubic root of 53516232 is about 376.8442062082.

Adding to 53516232 its reverse (23261535), we get a palindrome (76777767).

The spelling of 53516232 in words is "fifty-three million, five hundred sixteen thousand, two hundred thirty-two".